Home / 110,990,316.30-166,485,474.45-109,077,128.70

Finding the Fourth Proportional to 110,990,316.30, 166,485,474.45 and 109,077,128.70

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Solution

The fourth proportional to 110,990,316.30, 166,485,474.45 and 109,077,128.70 is: 163,615,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,990,316.30 : 166,485,474.45 = 109,077,128.70 : x
  2. Step 2: Convert to fraction form
    110,990,316.30/166,485,474.45 = 109,077,128.70/x
  3. Step 3: Cross multiply
    110,990,316.30x = 166,485,474.45 × 109,077,128.70
  4. Step 4: Simplify right side
    110,990,316.30x = 18,159,757,523,263,212
  5. Step 5: Solve for x
    x = 18,159,757,523,263,212/110,990,316.30
  6. Step 6: Final answer
    x = 163,615,693.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.